SOLUTION: The average of 6 numbers is 32. The average of the first 3 is 26. Find the fourth number if the average of the last two is 46
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Question 1089401: The average of 6 numbers is 32. The average of the first 3 is 26. Find the fourth number if the average of the last two is 46
Answer by natolino_2017(77) (Show Source): You can put this solution on YOUR website!
1)Sum (xi) from 1 to 6 = 6*32 = 192
2)Sum (xi) from 1 to 3 = 3*26 = 78
3)Sum (xi) from 5 to 6 = 2*46 = 92
1) - 2) - 3) x4 = 192 - 78 - 92 = 22
The fouth number is 22
@natolino_
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